Part 2 — CALCULATION OF THE ALTITUDES OF SOME OF THE SNOWY MOUNTAINS FROM THE VALLEY OF NEPAL. BY COLONEL CRAWFORD.
Reading edition
Time of Observation 26th October 1802 at 3 hours P.M.
Name of the Mountain A C D E F K L Dhaya-bung M
Double Altitude as taken in the Mercury 4°.16′.00′′ 5.37.30 6.47.30 6.03.25 6.18.45 10.09.15 10.10.00 9.07.30
Double Altitude as corrected for the error in Sextant = 1′18′′ 4°.14′.42′′ 5.36.12 6.46.12 6.02.07 6.17.27 10.07.57 10.08.42 9.06.12
Angle of Altitude 2°.07′.21′′ 2.48.06 3.23.06 3.01.03 3.08.43 5.03.58 5.04.21 4.33.06
Allowance for Terrestrial Refraction = 1/12 distance 5′.39′′ 4.55 3.41 2.44 3.15 2.10 2.44 1.55
Angle at the Station corrected for Terrestrial Refraction 2°.01′.42′′ 2.43.11 3.19.25 2.58.21 3.05.28 5.01.48 5.01.37 4.31.13
Angle at the Mountain’s top 87°.58′.18′′ 87.16.49 86.40.35 87.01.39 86.54.32 84.58.12 84.58.23 85.28.47
Base or distance (Miles & Furlongs) 78. - 68. 3 51. - 40. - 45. 2 30. 2 40. 7 26. -
Height by Trigonometry (Feet & Decimals) 14,548.8 17,016.6 15,637.2 10,966.8 12,830.7 13,941.6 18,900 10,890.1
Additional Height for the Earth’s Curvature (Feet & Decimals) 4,050 3,098 1,727 1,062.4 1,345.5 607.59 1,060.32 448.86
Height of the Mountain above the Station (Feet & Decimals) 19,634.8 20,114.6 17,364.2 12,029.2 14,176.2 14,549.19 19,960.32 11,346.97
Thermometer 63°
Barometer (Inches & Decimals) 25.18
No correction for the state of the air has been attempted.